The Screw,machine, cataloged under National Stock Number 5305-01-494-6849, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-494-6849 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | NICKEL ALLOY |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| H845-1801-20 | 5/1 Secondary reference U.S. Government activity |
| 0.628-11UNC-2AX2.250LG NICUAL | 2/2 Government specification standardization U.S. Government activity |
| ASTM F-468 | 5/1 Secondary reference U.S. Government activity |
| 551-7068554-20 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5305-01-494-6849 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-494-6849: Fastener Length: 2.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Thread Direction: RIGHT-HAND; Screw Material: NICKEL ALLOY. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.